Jeff Peterson wrote: > That is the troubling part, I am reflecting a view, and yet it is still > touching all those tables in the DB for schema='CRAR1APP'
does the name of your view appear at all in ALL_CONS_COLUMNS.TABLE_NAME ? that's the only way reflection of a view could get the name of a table to reflect. if you turn on echo='debug' or set "sqlalchemy.engine" to DEBUG level logging, you'd see all the rows returned from every query. > > -- > Jeffrey D Peterson > Webmaster > Crary Industries, Inc. > > >> -----Original Message----- >> From: sqlalchemy@googlegroups.com [mailto:sqlalch...@googlegroups.com] >> On Behalf Of Michael Bayer >> Sent: Thursday, February 11, 2010 12:05 PM >> To: sqlalchemy@googlegroups.com >> Subject: RE: [sqlalchemy] Warnings take a really long time / >> NotImplementedError >> >> I thought you were reflecting a view ? a table will fan out to all of >> its >> constraints, yes. >> >> >> Jeff Peterson wrote: >> > Right, and there is that same code outputted for every table in the >> > schema, when reflecting that one view. What I posted was just the >> one >> > snippet, it is repeated over and over for each different table. >> > >> > -- >> > Jeffrey D Peterson >> > Webmaster >> > Crary Industries, Inc. >> > >> >> -----Original Message----- >> >> From: sqlalchemy@googlegroups.com >> [mailto:sqlalch...@googlegroups.com] >> >> On Behalf Of Michael Bayer >> >> Sent: Thursday, February 11, 2010 11:46 AM >> >> To: sqlalchemy@googlegroups.com >> >> Subject: RE: [sqlalchemy] Warnings take a really long time / >> >> NotImplementedError >> >> >> >> that SQL output is specific to 'table_name': >> 'CFA_CASH_FLOW_STATUS_TAB' >> >> and 'table_name': 'CFA_CASH_FLOW_TAB'. that's two tables. >> >> >> >> >> >> Jeff Peterson wrote: >> >> > >> >> > >> >> > -- >> >> > Jeffrey D Peterson >> >> > Webmaster >> >> > Crary Industries, Inc. >> >> > >> >> > From: sqlalchemy@googlegroups.com >> >> [mailto:sqlalch...@googlegroups.com] On >> >> > Behalf Of Michael Bayer >> >> > Sent: Wednesday, February 10, 2010 6:30 PM >> >> > To: sqlalchemy@googlegroups.com >> >> > Subject: Re: [sqlalchemy] Warnings take a really long time / >> >> > NotImplementedError >> >> > >> >> > >> >> > On Feb 10, 2010, at 6:05 PM, Jeff Peterson wrote: >> >> > >> >> > >> >> > >> >> > It's touching a ton of tables, hundreds...if I had to guess I'd >> say >> >> every >> >> > table in the schema. The reasons for this are unknown to me, >> >> certainly >> >> > all those tables are not related specifically to the single view I >> am >> >> > attempting to reflect. >> >> > >> >> > that shouldn't be possible on a single table reflect, if its a >> view. >> >> > Views have no foreign key metadata so it would have no reason to >> go >> >> > anywhere else. you'd have to provide more specifics in order for >> us >> >> to >> >> > see how that might be reproduced. >> >> > >> >> > Seeing this for basicall(I think) everything in the Schema: >> >> > >> >> > INFO [sqlalchemy.engine.base.Engine.0x...5bcc] >> >> > SELECT a.index_name, a.column_name, b.uniqueness >> >> > FROM ALL_IND_COLUMNS a, >> >> > ALL_INDEXES b >> >> > WHERE >> >> > a.index_name = b.index_name >> >> > AND a.table_owner = b.table_owner >> >> > AND a.table_name = b.table_name >> >> > >> >> > AND a.table_name = :table_name >> >> > AND a.table_owner = :schema >> >> > ORDER BY a.index_name, a.column_position >> >> > 2010-02-11 11:01:43,410 INFO >> sqlalchemy.engine.base.Engine.0x...5bcc >> >> > {'table_name': 'CFA_CASH_FLOW_STATUS_TAB', 'schema': 'CRAR1APP'} >> >> > 2010-02-11 11:01:43,410 INFO >> >> [sqlalchemy.engine.base.Engine.0x...5bcc] >> >> > {'table_name': 'CFA_CASH_FLOW_STATUS_TAB', 'schema': 'CRAR1APP'} >> >> > 2010-02-11 11:01:43,413 INFO >> sqlalchemy.engine.base.Engine.0x...5bcc >> >> > SELECT column_name, data_type, data_length, data_precision, >> >> data_scale, >> >> > nullable, data_default FROM ALL_TAB_COLUMNS WHERE table_name = >> >> :table_name >> >> > AND owner = :owner ORDER BY column_id >> >> > 2010-02-11 11:01:43,413 INFO >> >> [sqlalchemy.engine.base.Engine.0x...5bcc] >> >> > SELECT column_name, data_type, data_length, data_precision, >> >> data_scale, >> >> > nullable, data_default FROM ALL_TAB_COLUMNS WHERE table_name = >> >> :table_name >> >> > AND owner = :owner ORDER BY column_id >> >> > 2010-02-11 11:01:43,414 INFO >> sqlalchemy.engine.base.Engine.0x...5bcc >> >> > {'owner': 'CRAR1APP', 'table_name': 'CFA_CASH_FLOW_TAB'} >> >> > 2010-02-11 11:01:43,414 INFO >> >> [sqlalchemy.engine.base.Engine.0x...5bcc] >> >> > {'owner': 'CRAR1APP', 'table_name': 'CFA_CASH_FLOW_TAB'} >> >> > 2010-02-11 11:01:43,421 INFO >> sqlalchemy.engine.base.Engine.0x...5bcc >> >> > SELECT >> >> > ac.constraint_name, >> >> > ac.constraint_type, >> >> > loc.column_name AS local_column, >> >> > rem.table_name AS remote_table, >> >> > rem.column_name AS remote_column, >> >> > rem.owner AS remote_owner, >> >> > loc.position as loc_pos, >> >> > rem.position as rem_pos >> >> > FROM all_constraints ac, >> >> > all_cons_columns loc, >> >> > all_cons_columns rem >> >> > WHERE ac.table_name = :table_name >> >> > AND ac.constraint_type IN ('R','P') >> >> > AND ac.owner = :owner >> >> > AND ac.owner = loc.owner >> >> > AND ac.constraint_name = loc.constraint_name >> >> > AND ac.r_owner = rem.owner(+) >> >> > AND ac.r_constraint_name = rem.constraint_name(+) >> >> > AND (rem.position IS NULL or loc.position=rem.position) >> >> > ORDER BY ac.constraint_name, loc.position >> >> > 2010-02-11 11:01:43,421 INFO >> >> [sqlalchemy.engine.base.Engine.0x...5bcc] >> >> > SELECT >> >> > ac.constraint_name, >> >> > ac.constraint_type, >> >> > loc.column_name AS local_column, >> >> > rem.table_name AS remote_table, >> >> > rem.column_name AS remote_column, >> >> > rem.owner AS remote_owner, >> >> > loc.position as loc_pos, >> >> > rem.position as rem_pos >> >> > FROM all_constraints ac, >> >> > all_cons_columns loc, >> >> > all_cons_columns rem >> >> > WHERE ac.table_name = :table_name >> >> > AND ac.constraint_type IN ('R','P') >> >> > AND ac.owner = :owner >> >> > AND ac.owner = loc.owner >> >> > AND ac.constraint_name = loc.constraint_name >> >> > AND ac.r_owner = rem.owner(+) >> >> > AND ac.r_constraint_name = rem.constraint_name(+) >> >> > AND (rem.position IS NULL or loc.position=rem.position) >> >> > ORDER BY ac.constraint_name, loc.position >> >> > 2010-02-11 11:01:43,421 INFO >> sqlalchemy.engine.base.Engine.0x...5bcc >> >> > {'owner': 'CRAR1APP', 'table_name': 'CFA_CASH_FLOW_TAB'} >> >> > >> >> > 2010-02-111:01:43,421 INFO >> [sqlalchemy.engine.base.Engine.0x...5bcc] >> >> > {'owner': 'CRAR1APP', 'table_name': 'CFA_CASH_FLOW_TAB'} >> >> > >> >> > >> >> > >> >> > * Snip * >> >> > >> >> > -- >> >> > You received this message because you are subscribed to the Google >> >> Groups >> >> > "sqlalchemy" group. >> >> > To post to this group, send email to sqlalch...@googlegroups.com. >> >> > To unsubscribe from this group, send email to >> >> > sqlalchemy+unsubscr...@googlegroups.com. >> >> > For more options, visit this group at >> >> > http://groups.google.com/group/sqlalchemy?hl=en. >> >> > >> >> > >> >> >> >> -- >> >> You received this message because you are subscribed to the Google >> >> Groups "sqlalchemy" group. >> >> To post to this group, send email to sqlalch...@googlegroups.com. >> >> To unsubscribe from this group, send email to >> >> 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